Dr Syed Zafar Ahsan, MD - Medicare Psychiatry in Williamsburg, VA

Dr Syed Zafar Ahsan, MD is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Williamsburg, Virginia. He graduated from medical school in 1983 and has 41 years of diverse experience with area of expertise as Psychiatry. He is a member of the group practice Colonial Behavioral Health, Fli, Plc and his current practice location is 1657 Merrimac Trl, Williamsburg, Virginia. You can reach out to his office (for appointments etc.) via phone at (757) 220-3200.

Dr Syed Zafar Ahsan is licensed to practice in Virginia (license number 0101050693) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1033202999.

Contact Information

Dr Syed Zafar Ahsan, MD
1657 Merrimac Trl,
Williamsburg, VA 23185-5624
(757) 220-3200
(757) 253-4013



Physician's Profile

Full NameDr Syed Zafar Ahsan
GenderMale
SpecialityPsychiatry
Experience41 Years
Location1657 Merrimac Trl, Williamsburg, Virginia
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Syed Zafar Ahsan graduated from medical school in 1983
  NPI Data:
  • NPI Number: 1033202999
  • Provider Enumeration Date: 10/02/2006
  • Last Update Date: 02/20/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 5799676078
  • Enrollment ID: I20040805000737

Medical Identifiers

Medical identifiers for Dr Syed Zafar Ahsan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1033202999NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0800XPsychiatry & Neurology - Psychiatry 0101050693 (Virginia)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Colonial Behavioral Health70120105499
Fli, Plc62049790735

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Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Syed Zafar Ahsan allows following entities to bill medicare on his behalf.
Entity NameColonial Behavioral Health
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760565915
PECOS PAC ID: 7012010549
Enrollment ID: O20070716000744

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Research suggests new pathway for preventing optic nerve damage in KPro recipients

Researchers from Massachusetts Eye and Ear/Harvard Medical School have identified inflammatory factors that cause optic neuropathy in the back of the eye following implantation of a keratoprosthesis (KPro) — similar to what glaucoma patients experience, without the rise of pressure in the eye — and have shown that blocking one of those factors, tumor necrosis factor alpha (TNFa), successfully halts the development of optic nerve damage in a mouse model.

Patients tend to have worse outcomes when GBM appears in more than one location

When aggressive, malignant tumors appear in more than one location in the brain, patient survival tends to be significantly shorter than when the disease starts as a single tumor, even though patients in both groups undergo virtually identical treatments, according to research at Cedars-Sinai Medical Center's Maxine Dunitz Neurosurgical Research Institute.

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Entity NameFli, Plc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1639265598
PECOS PAC ID: 6204979073
Enrollment ID: O20100202000166

News Archive

Research suggests new pathway for preventing optic nerve damage in KPro recipients

Researchers from Massachusetts Eye and Ear/Harvard Medical School have identified inflammatory factors that cause optic neuropathy in the back of the eye following implantation of a keratoprosthesis (KPro) — similar to what glaucoma patients experience, without the rise of pressure in the eye — and have shown that blocking one of those factors, tumor necrosis factor alpha (TNFa), successfully halts the development of optic nerve damage in a mouse model.

Patients tend to have worse outcomes when GBM appears in more than one location

When aggressive, malignant tumors appear in more than one location in the brain, patient survival tends to be significantly shorter than when the disease starts as a single tumor, even though patients in both groups undergo virtually identical treatments, according to research at Cedars-Sinai Medical Center's Maxine Dunitz Neurosurgical Research Institute.

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› Verified 3 days ago

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Syed Zafar Ahsan is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Syed Zafar Ahsan, MD
Po Box 5070,
Williamsburg, VA 23188-5200

Ph: (423) 956-2499
Dr Syed Zafar Ahsan, MD
1657 Merrimac Trl,
Williamsburg, VA 23185-5624

Ph: (757) 220-3200

News Archive

Research suggests new pathway for preventing optic nerve damage in KPro recipients

Researchers from Massachusetts Eye and Ear/Harvard Medical School have identified inflammatory factors that cause optic neuropathy in the back of the eye following implantation of a keratoprosthesis (KPro) — similar to what glaucoma patients experience, without the rise of pressure in the eye — and have shown that blocking one of those factors, tumor necrosis factor alpha (TNFa), successfully halts the development of optic nerve damage in a mouse model.

Patients tend to have worse outcomes when GBM appears in more than one location

When aggressive, malignant tumors appear in more than one location in the brain, patient survival tends to be significantly shorter than when the disease starts as a single tumor, even though patients in both groups undergo virtually identical treatments, according to research at Cedars-Sinai Medical Center's Maxine Dunitz Neurosurgical Research Institute.

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Read more News

› Verified 3 days ago


Psychiatry & Neurology Doctors in Williamsburg, VA

Dr. Margaret Hale Vincent, MD
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 1657 Merrimac Trl, Williamsburg, VA 23185
Phone: 757-220-3200    
Akriti Sinha, MD
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 4601 Ironbound Rd, Williamsburg, VA 23188
Phone: 757-253-5161    Fax: 757-253-5065
Shawke A Soueidan, MD
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 120 Kings Way, Suite 2700, Williamsburg, VA 23185
Phone: 757-221-0110    Fax: 757-221-0851
Dr. Chan Nguyen, M.D.
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 4601 Ironbound Rd, Williamsburg, VA 23188
Phone: 757-253-5347    Fax: 757-253-5319
Dr. Avtar S Dhillon, M.D.
Psychiatry & Neurology
Medicare: Medicare Enrolled
Practice Location: 5483 Mooretown Road, Williamsburg, VA 23188
Phone: 757-941-6400    Fax: 757-941-6419
Paul Reilly, M.D.
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 1115 Old Colony Ln, Williamsburg, VA 23185
Phone: 757-253-0691    Fax: 757-220-9571

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